31234234331031 has 16 divisors (see below), whose sum is σ = 43081857936000. Its totient is φ = 20104721987168.

The previous prime is 31234234331023. The next prime is 31234234331051. The reversal of 31234234331031 is 13013343243213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31234234331031 - 2³ = 31234234331023 is a prime.

It is a super-2 number, since 2×31234234331031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31234234330983 and 31234234331001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234234331051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34526320 + ... + 35419418.

It is an arithmetic number, because the mean of its divisors is an integer number (2692616121000).

Almost surely, 2^{31234234331031} is an apocalyptic number.

31234234331031 is a deficient number, since it is larger than the sum of its proper divisors (11847623604969).

31234234331031 is a wasteful number, since it uses less digits than its factorization.

31234234331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295118.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 31234234331031 its reverse (13013343243213), we get a palindrome (44247577574244).

The spelling of 31234234331031 in words is "thirty-one trillion, two hundred thirty-four billion, two hundred thirty-four million, three hundred thirty-one thousand, thirty-one".